Improvement in lamp-burners



L. ATWOOD.

Lamp Burner.

Patented Jan. 18. I870.

Q EN 2722' ewe ".PEIEns. PNDTO-UTHOGRAPHER, WASHINGTON. u c.

tinned fitatrz prom define.

I r LEWIS J. ATWOOD, OF WATERBURY, CONNECTICUT, ASSIGNOR TO HIM- SELF AND HOLMES, BOOTH 8: HAYDENS,'OF SAME PLACE.

Letters Patent No. 98,836, dated January 18, 1870.

IMPROVEMENT IN LAMP-BURNERS.

The Schedule referred to in these Letters Patent and making part of the same.

Toall whom it may concern:

Be it known that I, LEWIS 'J. Arwoon, of Waterbury, in the county of New Haven, and State of Connecticut, have invented and made a new and useful Improvement in Lamps; and I do hereby declare the following to be a full, clear, and exact description of the said invention, reference being had to the annexed drawing, making part of this specification, wherein- Figure l is a plan of said lamp-burner, with'the deflector removed Figure 2 is a vertical section .of the burner complete, ready for use; and

Figure 3 shows the chimney, the draught-plate 0r deflector, and the air-distrilmter separately, in section.

Similar parts are referred to by like letters.

Lamp-burners for liquid hyih'ocarbon have heretofore been constructed, in which the chimney rested upon a perfiu'ated air-distribnter,and a draught-plate is employed within the chimney, to direct the air to the flame, as seen in Letters Patent granted to me, January 21, 1868. In this class of burners, the glass chimney has been cylindrical, or nearly so, and tapered at the upper end.

A difliculty has arisen in regulating, wit-11 exactness, the amount of air passing to the flame, because the Variations in the sizes of the glass chimney (generally existing) allow more air to pass outside the draughtplate in some instances than in others.

1 have found that the periia-tionof the combustion is of more inmortance than the amount of light that is allowed to shine out below the draught-plate, and through the chimney.

The nature of my present invention consists in a spring chinmey-holder, adapted to a cylindrical chimney, and a removable air-distributer, in combination with a conical deflector, that is supported by the air distribntcr, and ascends within such cylindrical clumney, to direct the air to the flame, so that the supply of air to support combustion may be regulated, re-

' gardless of any imperfections in the size of the cylin dricul glass chimney.

I also employ a peculiar means for connecting the movable portion of the burner to the stationary cap around the wick-tube, so that the chimney-holder and deflector will come correctly to place when applied upon said cap.

In the drawinga is the wick-tube; b, the screw, to take the opening in the reservoir;

0, the wick-raiser; and

d, a tapering cap over the wick-raiser, and around the wick-tube.

e is the foraminous air-distributer, around the edges of which the springs f are applied, for holding the chimneyg, that is cylindrical, or nearly so, at its lower, and tapers at the top end, to the proper-sized opening.

71. is a tapering thimble, attached to the central opening ofthc air-distribnter e, and tapering to an elliptical shape at the upper end, corresponding with thatof the middle portion of the tapering cap (1.

These parts beingelliptical, cause the draught-plate and its parts to come to the proper place, relativelyto air-distributer e, and is provided with the flame-slot. .at i, and openings at 2, to allow an' to pass against the lower part of the chimney, to aid in keeping it cool, andalso to furnish an external draught for the This construction will insure a perfect combustion of the hydrocarbomand the glass chimneyand draughtplate will remain suflicientl y cool to allow the parts to be handled, in lift-ing'them oflthe wick-tube, for lighting or trimming the wick.

it it is desired to direct the air passing through the holes 2, more fully upon the base of the chimney, the rim or flange 0 may be applied, as seen in red lines, fig. 2. This ring-flange may be made of metal, or it may be of transparent material, such as glass or mica, to lessen the shadow cast from the flame.

If desired, this flange 0 may be extended, and receive a spring or helix of wire, on, (see ii". 3,) at its edge, setting within the chimney, to aid in steadying it, (as shown upon the draught-plate in my aforesaid patent,) and within this helix, cords or other suitable filling is introduced, .to check the draught, but allow air to pass between the glass andthe filling, and through the coils of the helix, thus supplying a regular amount of air, regardless ot'variationsin the sizcofthe chimney.

Holes may be introduced around the flange o, as at 5, in order that the proper amount of external'dranght may pass to the flame, to producea perfect combustion.

In the last-mentioned modification, the conical part of the deflector 1 may have openings, as seen at 'n, to lessen the amount of heat conducted down said doflector. The rush ofair to the flame, however, will still be directed-by this conical base of the deflector.

The helix m is attached to the sheet-metal of the draught-plate, by being passed through holes in the metal by revolving the helix.

What I claim, and desire to secure by Letters Patent, is

1. The removable air-distributor and thimble h, in flector or draught-plate, and a filling of cord or other combination with the flattened tapering cap (1, surmaterial, For the purposes and as specified.

rounding the wick-tube a, subemntialiy as and for the In witness whereof, I have. hereunto set my signapnrposes-set forth. ture, this 3d day of March, 1868.

2. The helix in, applied around the flange of the L. J. A'IWVOOD. draught-plate 0 in ('olnhination with the cone land Witnesses: v remm'able air-(iist ilmter, substantially as set forth. GEO. D. WALKER 3. A helix of wire, 12:, in combination with the de CHAS. H. SMITH. 

